Since there is no official portable MS Project, you can use these open-source or specialized alternatives that be run from a USB drive without installation: Buy Microsoft Planner and Project Plan 3 - Microsoft 365
Getting a "portable" version of for free can be tricky because Microsoft doesn't officially offer a standalone, portable version of this software. Most "portable" downloads found on unofficial sites can be risky, often containing malware or outdated, unstable versions.
: Full access to the desktop application (Microsoft Project Professional) and the online version.
: Visit the Project Plan 3 page and select "Try free for 1 month" .